Decoupling diaphragm for two-chamber engine mounts

Details Decoupling diaphragm for two-chamber engine mounts Decoupling diaphragm for two-chamber engine mounts

1984-06-28

1986-05-20

Stoner, Jr., Bruce H.

Spring devices

Vehicle

Bolster

188379, 267 63A, 2671401, 267153, F16F 136, F16F 1504

Patent

active

045896380

ABSTRACT:
A decoupling device for engine mounts having upper and lower liquid chambers containing hydraulic fluid for damping vibrations, includes a diaphragm liquid-tightly fastened to an upper region of the upper liquid chamber defining a diaphragm chamber divided-off from the upper liquid chamber, the diaphragm including a circular rubber body and a vibration-cancelling mass in the form of a central, circular, metallic disc adhering to the circular rubber body, the circular rubber body having upper and lower surfaces, each of the surfaces having two concentric, conical, circular slots formed therein being inclined toward each other as seen in direction from the horizontal central plane of the circular rubber body toward the surfaces thereof, and the slots being extended to the vicinity of the horizontal central plane of the circular rubber body.

REFERENCES:
patent: 2854232 (1958-09-01), Boschi
patent: 4288063 (1981-09-01), Brenner et al.
patent: 4352487 (1982-10-01), Shtarkman

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